Home / 84,831.40-127,247.10-59,818.60

Finding the Fourth Proportional to 84,831.40, 127,247.10 and 59,818.60

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Solution

The fourth proportional to 84,831.40, 127,247.10 and 59,818.60 is: 89,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,831.40 : 127,247.10 = 59,818.60 : x
  2. Step 2: Convert to fraction form
    84,831.40/127,247.10 = 59,818.60/x
  3. Step 3: Cross multiply
    84,831.40x = 127,247.10 × 59,818.60
  4. Step 4: Simplify right side
    84,831.40x = 7,611,743,376.06
  5. Step 5: Solve for x
    x = 7,611,743,376.06/84,831.40
  6. Step 6: Final answer
    x = 89,727.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.